Cisco's CVOICE 8.0 Exam 642-437 tests your knowledge of Cisco'sVoice over IP (VoIP) solutions, including the basics of VoIP calls,gateways, and analog and digital signaling; how to use CiscoUnified Communications Manager Express; QoS requirements for voiceand video; and more. Prepare to ace this complex exam with this newSybex Study Guide. It covers all exam objectives, provides hundredsof review questions, and includes a CD packed with study extras.Inside, find:

Full coverage of all exam objectives in a systematicapproach, so you can be confident you're getting the instructionyou need for the exam

Practical written and hands-on labs to reinforce criticalskills

Real-world scenarios that put what you've learned in thecontext of actual job roles

Challenging review questions in each chapter to prepareyou for exam day

Exam Essentials, a key feature in each chapter thatidentifies critical areas you must become proficient in beforetaking the exam

A handy tear card that maps every official exam objectiveto the corresponding chapter in the book, so you can track yourexam prep objective by objective